180849733696 has 14 divisors (see below), whose sum is σ = 358873690430. Its totient is φ = 90424866816.

The previous prime is 180849733667. The next prime is 180849733697. The reversal of 180849733696 is 696337948081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 97868865600 + 82980868096 = 312840^2 + 288064^2 .

It is a Harshad number since it is a multiple of its sum of digits (64), and also a Moran number because the ratio is a prime number: 2825777089 = 180849733696 / (1 + 8 + 0 + 8 + 4 + 9 + 7 + 3 + 3 + 6 + 9 + 6).

It is not an unprimeable number, because it can be changed into a prime (180849733697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1412888481 + ... + 1412888608.

Almost surely, 2^180849733696 is an apocalyptic number.

180849733696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

180849733696 is a deficient number, since it is larger than the sum of its proper divisors (178023956734).

180849733696 is an equidigital number, since it uses as much as digits as its factorization.

180849733696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825777101 (or 2825777091 counting only the distinct ones).

The product of its (nonzero) digits is 47029248, while the sum is 64.

The spelling of 180849733696 in words is "one hundred eighty billion, eight hundred forty-nine million, seven hundred thirty-three thousand, six hundred ninety-six".